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Helpful ReplyHot!718 Cayman GT4 is here – at long last.!

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Twinfan
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Re: 718 Cayman GT4 is here – at long last.! 2019/06/24 17:04:44 (permalink)
No coincidence at all, the 718 GT4 has the same limit as it's the approved torque limit of the unit...
Brian_Innes
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Re: 718 Cayman GT4 is here – at long last.! 2019/06/24 17:05:13 (permalink)
Motorhead
Utz's comment does seem odd given the well known "tunability" of turbo engines, although long-term durability on a highly-tuned engine would have to be a major consideration for the manufacturer.
 
Maybe the limitation is more due to the torque limitation of the manual transmission. As I noted previously, the GT4 and GTS engines share the same max torque figure of 420Nm. Surely, no coincidence?
 
Jeff




Jeff,
 
The PDK versions of the 718 Cayman GTS have 430Nm of torque. Plus 10Nm over the manual gearbox cars. Similarly on the 981 GTS PDK, 380Nm against 370Nm for the manual versions.
 
Brian  

Nairnshire,
Highlands
Previous:
2007 Cayman 987.1 2.7 Manual.
2010 Cayman S 987.2 Manual
2012 Cayman R Manual
2016 718 Cayman S PDK
2019 718 Cayman GTS PDK
Current:
2015 Abarth 595 Competizione 180bhp Manual

ralphmusic
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Re: 718 Cayman GT4 is here – at long last.! 2019/06/24 17:07:20 (permalink)
I can't say I have intensively listened to the video but for all the reasons I've quoted before about emissions motivated changes, the old 3.8L is not a good base for meeting new and future Euro 6d/7 requirements, hence end of 9A1. Interestingly I understand the GT3 Spyder engine incorporates the new vertical injector arrangement, whereas the 991.1 GT3/RS do not.

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ralphmusic
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Re: 718 Cayman GT4 is here – at long last.! 2019/06/24 17:08:47 (permalink)
BJ Innes
 
Jeff,
 
The PDK versions of the 718 Cayman GTS have 430Nm of torque. Plus 10Nm over the manual gearbox cars. Similarly on the 981 GTS PDK, 380Nm against 370Nm for the manual versions.
 
Brian  

 
I understand the 718 PDK box torque limit is rated well above 500Nm

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Twinfan
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Re: 718 Cayman GT4 is here – at long last.! 2019/06/24 17:15:45 (permalink)
BJ Innes
 
Jeff,
 
The PDK versions of the 718 Cayman GTS have 430Nm of torque. Plus 10Nm over the manual gearbox cars. Similarly on the 981 GTS PDK, 380Nm against 370Nm for the manual versions.
 
Brian  



I don't think you're right there Brian, the 981 has the same torque for both gearboxes as far as I know.  Only the 718 models differ as they've hit the manual gerabox torque limit.
 
Do you have a source for the 370Nm figure?  Wikipedia lists both the same for 981s:  https://en.wikipedia.org/wiki/Porsche_981
 
EDIT: sorted it.  Boxster GTS has 330PS and 370Nm for both gearboxes, Cayman GTS has 345PS and 380Nm for both.
post edited by Twinfan - 2019/06/24 17:30:45
ralphmusic
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Re: 718 Cayman GT4 is here – at long last.! 2019/06/24 17:32:35 (permalink)
ralphmusic
BJ Innes
Ralph,
 
The respective weights I have posted are from the handbook Kerb Weight DIN values.
 
They will likely differ from your definitive corner weighting measurements, although I would expect the values to fall within the range quoted in the handbook. 
 
Brian 




Brian,
 
Understand but I was taken by how little my weight exceeded handbook lowest weight given all the electric motors and PDK I have. Anyway I’ll revert when I get home.




So mine was 1,416kg PDK

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Motorhead
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Re: 718 Cayman GT4 is here – at long last.! 2019/06/24 17:35:40 (permalink)
Yes Ralph, it too was my understanding that the PDK transmission has a much higher torque rating than the manual. With the well-documented GT4 manual transmission failures - albeit due to a known manufacturing defect - Porsche will be treading carefully with respect to the manual unit's torque capacity.
 
Regarding the latest injection technology on the GT3 Spyder - just part of the manufacturer's continuous development process?
 
Jeff

987.2 Cayman S
North Beds (R10 & R24)
Brian_Innes
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Re: 718 Cayman GT4 is here – at long last.! 2019/06/24 17:42:43 (permalink)
Twinfan
BJ Innes
 
Jeff,
 
The PDK versions of the 718 Cayman GTS have 430Nm of torque. Plus 10Nm over the manual gearbox cars. Similarly on the 981 GTS PDK, 380Nm against 370Nm for the manual versions.
 
Brian  



I don't think you're right there Brian, the 981 has the same torque for both gearboxes as far as I know.  Only the 718 models differ as they've hit the manual gerabox torque limit.
 
Do you have a source for the 370Nm figure?  Wikipedia lists both the same for 981s:  https://en.wikipedia.org/wiki/Porsche_981
 
EDIT: sorted it.  Boxster GTS has 330PS and 370Nm for both gearboxes, Cayman GTS has 345PS and 380Nm for both.




David,
 
Regarding the 981 GTS torque figures. 
 
My apologies. You are quite correct. The 981 GTS has the same 380Nm torque figure for both gearbox versions.
 
Only on the 718 GTS PDK is an extra 10Nm applied
 
My figures were quoted from photocopies taken from the 981 GTS driver's handbook last week. I mistakenly read the 370Nm figure from the 981 Cayman S.
 
Sorry for the confusion.
 
Brian 
 
 
 
    

Nairnshire,
Highlands
Previous:
2007 Cayman 987.1 2.7 Manual.
2010 Cayman S 987.2 Manual
2012 Cayman R Manual
2016 718 Cayman S PDK
2019 718 Cayman GTS PDK
Current:
2015 Abarth 595 Competizione 180bhp Manual

ralphmusic
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Re: 718 Cayman GT4 is here – at long last.! 2019/06/24 17:52:34 (permalink)
Motorhead
....Regarding the latest injection technology on the GT3 Spyder - just part of the manufacturer's continuous development process?
 
Jeff

 
The emissions requirements have required a generational change from the 9A1. I understand the first engine to get the new technologies was the 991.2 range, and all the major changes (different alloy for the block, injector arrangement and pressure) went first into the 3.0L engine, and were then implemented as 'convenient' in the GT engine developments. I guess the injectors were not ready in time for GT3 991.2 launch but could be introduced for the Spyder. The 991.2 and GT3 engines had adjustable exhaust cams already which were lacking in the 981 GT4 9A1 engine, but now the 718 generation gets all the goodies.

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981TC
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Re: 718 Cayman GT4 is here – at long last.! 2019/06/24 18:53:48 (permalink)
Has anyone been asked for a deposit at a OPC yet? 
nwc123
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Re: 718 Cayman GT4 is here – at long last.! 2019/06/24 20:32:41 (permalink)
981TC
Has anyone been asked for a deposit at a OPC yet? 




Yes, deposit paid and order form signed last week
ralphmusic
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Re: 718 Cayman GT4 is here – at long last.! 2019/06/24 20:52:05 (permalink)
Any details of spec. you’d care to share?

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981TC
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Re: 718 Cayman GT4 is here – at long last.! 2019/06/24 20:56:36 (permalink)
Well done, me too. 
nwc123
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Re: 718 Cayman GT4 is here – at long last.! 2019/06/24 21:02:55 (permalink)
Congrats!  Spec can still be changed mind you.
 
Ralph - I've gone for something like this:
 
https://www.porsche-code.com/PLG2YVV3
 
Any comments or criticisms welcome
981TC
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Re: 718 Cayman GT4 is here – at long last.! 2019/06/24 22:21:20 (permalink)
Looks good, heres mine , I may have gone a little mad but is similar to my current one 
https://www.porsche-code.com/PLCAFVJ1
ralphmusic
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Re: 718 Cayman GT4 is here – at long last.! 2019/06/24 22:21:57 (permalink)
nwc123
Congrats!  Spec can still be changed mind you.
 
Ralph - I've gone for something like this:
 
https://www.porsche-code.com/PLG2YVV3
 
Any comments or criticisms welcome




Looks very smart.
 
I gather the blue is a tad lighter than rendered on the configurator; I'm colour blind but even I can see why black calipers are better than red. Have you seen a Gentian Blue car?
 
The one thing some people seem to dislike is the chrome Porsche script on the rear but on a darker colour car it adds some contrast.
 
Do you have a build or lock configuration date?
 
Ralph

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nwc123
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Re: 718 Cayman GT4 is here – at long last.! 2019/06/24 23:19:29 (permalink)
981TC
Looks good, heres mine , I may have gone a little mad but is similar to my current one 
https://www.porsche-code.com/PLCAFVJ1


 
Great spec.  If you don't mind, what made you want to upgrade?  Some say the 718 isn't much of a step on from the 981.

ralphmusic
 
Looks very smart.
 
I gather the blue is a tad lighter than rendered on the configurator; I'm colour blind but even I can see why black calipers are better than red. Have you seen a Gentian Blue car?
 
The one thing some people seem to dislike is the chrome Porsche script on the rear but on a darker colour car it adds some contrast.
 
Do you have a build or lock configuration date?
 
Ralph


 
I'm torn on Gentian.  Having seen it irl it does change in the light and the configurator really doesn't show it at all.  May end up changing colour scheme completely, I've also been considering black with the satin aurum wheels or maybe launch spec yellow.

Thanks for the tip, I think I will keep chrome lettering to match the silver wheels.
 
I'm also undecided on buckets.  Haven't driven a car with buckets (only sat in) so need to wangle one with the dealer.
 
No solid build or lockdown dates as of yet, just been told delivery later this year.
ralphmusic
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Re: 718 Cayman GT4 is here – at long last.! 2019/06/25 08:10:56 (permalink)
981TC
Looks good, heres mine , I may have gone a little mad but is similar to my current one 
https://www.porsche-code.com/PLCAFVJ1



Given I'm spending your money here  I'd add....
 
Auto Wipers for convenience in mixed conditions
Folding mirrors - less risk of damage parking up, particularly on street in Spain, or in Devon with little old ladies driving past + confirms car is locked
Speed limit indicator - now camera based
With your Alcantara Sun Visors and leather upgrades, how can you not have Steering Column Casing in Leather - it really does finish off upgraded leather
 
Now it's OK..
 

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981TC
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Re: 718 Cayman GT4 is here – at long last.! 2019/06/25 08:31:34 (permalink)
Ralph
thanks, the wipers and mirrors I will add for sure. Not sure about the leather however. 
Thanks 
 
981TC
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Re: 718 Cayman GT4 is here – at long last.! 2019/06/25 08:37:24 (permalink)
A number of reasons to be honest and in no particular order, I’m hoping I get a PDK, I’ve never had the chance to spec a GT car from new for myself, I believe the car will be dynamically superior, the noise limits at tracks are prohibitive and getting worse. 
I don’t expect a massive difference but I’m in a position where I can indulge and I wont have to pay a hefty premium this time. 
 
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